It's not an option I would recommend too much in the long run, because to play, that person will have to be connected and with the server running at all times. In other words, every time you want to ...
NOTE: Yes, I require you to have quite a bit of technical knowledge when it comes to Java and other things such as that. As well as folder locations, unzipping, how jars/modding works in Minecraft, ...
Minecraft's multiplayer is one of the factors that has helped the game maintain its popularity for so long. Jumping into a survival world with friends and going on adventures or killing an afternoon ...